Mercurial > hg > graal-compiler
view src/share/vm/code/pcDesc.cpp @ 3837:43f9d800f276
7066339: Tiered: policy should make consistent decisions about osr levels
Summary: Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.
Reviewed-by: kvn, never
author | iveresov |
---|---|
date | Wed, 20 Jul 2011 18:04:17 -0700 |
parents | 5cf771a79037 |
children | be4ca325525a 7588156f5cf9 |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "code/debugInfoRec.hpp" #include "code/nmethod.hpp" #include "code/pcDesc.hpp" #include "code/scopeDesc.hpp" #include "memory/resourceArea.hpp" PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) { assert(sizeof(PcDescFlags) <= 4, "occupies more than a word"); _pc_offset = pc_offset; _scope_decode_offset = scope_decode_offset; _obj_decode_offset = obj_decode_offset; _flags.word = 0; } address PcDesc::real_pc(const nmethod* code) const { return code->code_begin() + pc_offset(); } void PcDesc::print(nmethod* code) { #ifndef PRODUCT ResourceMark rm; tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags.bits); if (scope_decode_offset() == DebugInformationRecorder::serialized_null) { return; } for (ScopeDesc* sd = code->scope_desc_at(real_pc(code)); sd != NULL; sd = sd->sender()) { tty->print(" "); sd->method()->print_short_name(tty); tty->print(" @%d", sd->bci()); if (sd->should_reexecute()) tty->print(" reexecute=true"); tty->cr(); } #endif } bool PcDesc::verify(nmethod* code) { //Unimplemented(); return true; }